Deposits - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deposits [Abstract]
Brokered deposit placement fee	$ 10,500	$ 10,300	$ 9,800
Third party broker fees paid	4,100	15,200	$ 12,100
Deposits exceeding FDIC insurance limits	709,900	254,000
Accrued interest on deposits	15,700	16,100
Deposits - non-interest bearing	$ 701	$ 602